Our new Underlug Rail will turn your Tracker into a versatile tactical platform that will accommodate all weapon lights, lasers and mounts that are designed to fit a standard 1913 Picatinny rail. Machined from 6160 T-6 aluminium alloy, it is availale in a “white metal” matte bead blasted finish or any of our ExtemeCoat finishes. This accessory rail is custom fitted to each REVOLVER and installed by drilling and tapping the underlug to achieve a rock solid connection. 4” Tracker Underlug Rail $119 Top Rail and Fiber Optic Sights WARNING: NEVER PLACE HANDS OR FINGERS NEAR THE CYLINDER OR CYLINDER GAP WHEN FIRING.